Home / 1,276,405.48-1,761,360.42-703,413.64

Finding the Fourth Proportional to 1,276,405.48, 1,761,360.42 and 703,413.64

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Solution

The fourth proportional to 1,276,405.48, 1,761,360.42 and 703,413.64 is: 970,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,405.48 : 1,761,360.42 = 703,413.64 : x
  2. Step 2: Convert to fraction form
    1,276,405.48/1,761,360.42 = 703,413.64/x
  3. Step 3: Cross multiply
    1,276,405.48x = 1,761,360.42 × 703,413.64
  4. Step 4: Simplify right side
    1,276,405.48x = 1,238,964,944,384.13
  5. Step 5: Solve for x
    x = 1,238,964,944,384.13/1,276,405.48
  6. Step 6: Final answer
    x = 970,667.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.